Home / 15,075.60-22,586.40-7,267.20

Finding the Fourth Proportional to 15,075.60, 22,586.40 and 7,267.20

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Solution

The fourth proportional to 15,075.60, 22,586.40 and 7,267.20 is: 10,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.60 : 22,586.40 = 7,267.20 : x
  2. Step 2: Convert to fraction form
    15,075.60/22,586.40 = 7,267.20/x
  3. Step 3: Cross multiply
    15,075.60x = 22,586.40 × 7,267.20
  4. Step 4: Simplify right side
    15,075.60x = 164,139,886.08
  5. Step 5: Solve for x
    x = 164,139,886.08/15,075.60
  6. Step 6: Final answer
    x = 10,887.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.